Model 140/142 Div 2 Hazardous Locations
"Diaphragm Type"
Differential Pressure Switch / Transmitter
Electrical Configurations E, F & W
Class l, Division 2, Groups A, B, C & D
Class ll, Division 2, Groups F & G
Certifications: 
- CSA Certified to Canadian and US Standards
Dimensions:
See 140_dimension_haz_loc
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Product Features/Benefits
- Indication and Pressure Containing Element design identical to Standard product
- Lower Cost when Compared to Explosion-proof designs
- CSA Listed to Canadian and US Standard (Switch and transmitter)
- Ranges, Scales, Dial Sizes, Ports, Elastomers etc. available are equivalent to Non-Hazardous Location product
- Hermetically Sealed Switch Design
- Aluminum Weatherproof NEMA 4X Electrical Enclosure
- Field Wireable Terminal Strip (Separate Junction Box not required)
- No Input Power required to operate the switches
- For complete model details See BULLETIN_140, BULLETIN_142
- Installation and Operation Manual (Refer to Hazardous Locations section. Electrical Configurations E, F, or W) ELECIOM_142 and ELECIOM_140
Specifications / Configuration
- Working Pressures Hazardous Locations Model 140:
Aluminum 3000 PSIG; End Connections Limited to 2000 PSIG; NACE 1625 PSIG
Brass 1500 PSIG Not Available with End Connections
Stainless Steel: 3000 PSIG; End Connections 2000 PSIG; NACE 1625 PSIG
- Working Pressures Hazardous Locations Model 142:
1375 PSIG (95 bar) Al, Brass, SS (End, Back & Bottom) NACE Included
- Operating Temp:
Switches: -40°F to +200°F (-40°C to +93°C)
Transmitter: -20°F to 150°F (-29°C to 65°C)
Electrical Specifications:
See Bulletin: Specificationsheet_140, Specificationsheet_142. Refer to Electrical Configurations E & F, & W
Switch Electrical Specifications: See Bulletin: ELECIOM_140, ELECIOM_142
Mid-West Hazardous Locations Indicating / Non-indicating switch (Electrical Configurations E or F) is intended for use in Division 2 hazardous Locations.
- 1 or 2 Independently adjustable SPST or SPDT Switches
- Weather-proof Aluminum NEMA 4X Rated enclosure with ½”FNPT Conduit
- Field Wireable Terminal Strip – Wire range 22Awg to 16 Awg
Type |
SPST (Normally Open) |
SPDT |
*Power |
25 Watt |
3 Watt |
Maximum Current |
0.5 Amps |
0.25 Amps |
Maximum Voltage |
240 VAC/VDC |
125 VAC/VDC |
Switch Setting
%Full Scale |
15 to 90 (140)
15 to 90 (142) |
15 to 90 (140)
15 to 90 (142) |
Hysteresis
Maximum/Nominal |
15% / 8%
Full Scale |
10% / 5% |
Repeatability |
1% Full Scale |
1% Full Scale |
Transmitter Specifications: See Bulletin: ELECIOM_140, ELECIOM_142 (Electrical Configuration W)Transmitter Configuration “W”, Model 140/142 Transmitter is intended for use in Division 2 locations (W electrical configuration). The Model 140/142 indicating / non-indicating differential pressure transmitter is a 2 wire loop powered microprocessor based 4-20 ma transmitter. The magnetic angle sensor & electronics senses the angle (relative to the transmitter sensor) of the magnet which moves linearly in the bore. Each transmitter is individually calibrated to the gauge using an 11 point calibration linearization technique. This method results in a <2% full scale accuracy for the upper 80% of the range.
- 4-20mA Loop Powered Micro Processor based Transmitter
- 4 Position Terminal Strip 22 AWG – 16 AWG
- 8-28 VDC Loop Powered 2-wire interface
- 1000 Ohm max loop resistance at 28 Vdc.
- ±2% Accuracy from 20% to 100% of scale, ascending
- Indicator operation is isolated from Loop Power
- Weather-proof Aluminum NEMA 4X Rated enclosure with ½”FNPT Conduit
Model 140/142 Div 2 Hazardous LocationsDocuments
“Piston Type” Hazardous Locations Product
“Diaphragm Type” Hazardous Locations Product